Biologist Thor Hanson is back again to answer even more of the internet's burning questions about biology. What happens if a whale eats you? Why do ticks and fleas and mosquitoes exist? What is the most recent species to go extinct? Thor answers all these questions and much more!

Read THOR HANSON’s book Hurricane Lizards and Plastic Squid:
https://www.basicbooks.com/titles/thor-hanson/hurricane-lizards-and-plastic-squid/9781541672420/